I was over a friend house once, and her moms boyfriend was spending a long time in the bathroom. My friend then told me that she thought he had his comma. In her mind, if a woman got a period, and man would get a comma.
A childhood belief about periods

others believed things like this
- My friend's mom told my friend's little sister thatI when a dog died, it went to a retirement home.— ellen
- I used to believe that if you left crumbs out for a long period of time, they would turn into ants.— Bylaberrie
- I thought that a woman got pregnant kind of like catching a cold, by being around her husband for a long time.— No Name
- When I was little, my dad had a friend named Scott. I thought my dad's friend was the king of Scotland— Uhhh....
- My parents told me I was found under a gooseberry bush which I thought odd for a long long time.— Kate
- I thought that soccer moms were moms that played soccer!Anon